//
//  AppDelegate.swift
//  sinaweibowj
//
//  Created by Macintosh on 15/12/12.
//  Copyright © 2015年 mactoinsh. All rights reserved.
//


import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    
    var window: UIWindow?
    
    
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        //不使用storyboard window没有被实例化 不存在window 需要手动
        
        let account = UserAccount.loadAccount()
        print("-------------------")
        print("\(account) 哈哈")
        
        //一定不要提前调用   注意
        //        let result = isNewVersion()
        //        print(result)
        
        window = UIWindow(frame:UIScreen.mainScreen().bounds )
        window?.backgroundColor = UIColor.whiteColor()
        window?.makeKeyAndVisible()
        
        //设置主题色
        setThemeColor()
        
        //注册通知
        registerNotification()
        
        //设置跟视图控制器tabbar
        window?.rootViewController = defaultViewController()
        
       // let nav = UINavigationController(rootViewController: ComposeViewController())
//        let nav = UINavigationController(rootViewController: PictureSelectorViewController())
//        window?.rootViewController = nav
        
        return true
    }
    
    //注册通知
    private func registerNotification (){
        
        //nil对应广播
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchRootVC:", name: WBSwitchRootVCNotification, object: nil)
    }
    
    //-[sinaweibowj.AppDelegate switchRootVC:]: unrecognized selector sent to instance 0x7fc05260b430
    @objc private func switchRootVC(n:NSNotification){
      // print(n)
        if n.object != nil{
        //跳转到welcome
            window?.rootViewController = WelcomeViewController()
            return
        }
        //首页
        window?.rootViewController = MainViewController()
    }
    
    //移除通知的操作
    deinit{
        NSNotificationCenter.defaultCenter().removeObserver(self)
        
    }
    
    //根据用户是否登录显示具体的界面
    private func defaultViewController() -> UIViewController {
        
        //根据用户是否登录
        if UserAccountViewModel().userLogin {
            //是否是新版本
            return isNewVersion() ? NewFeatureViewController() : WelcomeViewController()
        }
        //没有登录情况下
        return MainViewController()
    }
    
    
    //判断是否是新版本
    private func isNewVersion() -> Bool{
        
        //获取当前应用的版本号
        let info = NSBundle.mainBundle().infoDictionary
        let currentStr = info!["CFBundleShortVersionString"] as! String
        let currentNum = Double(currentStr)
        print(currentNum)
        
        //获取本地缓存的版本
        //用userDefault来存储版本
        let userDefaults = NSUserDefaults.standardUserDefaults()
        let sandBoxKey = "sandBoxKey"
        let lastNum = userDefaults.doubleForKey(sandBoxKey)
        
        //立即存储 当前应用的版本
        userDefaults.setDouble(currentNum!, forKey: sandBoxKey)
        userDefaults.synchronize()
        
        //比较新版本和老版本的版本号
        return currentNum! > lastNum
    }
    
    
    private func setThemeColor(){
        
        //一定要尽早设置
        UINavigationBar.appearance().tintColor = themeColor
        UITabBar.appearance().tintColor = themeColor
        
    }
    
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }
    
    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }
    
    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }
    
    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }
    
    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }
    
    
}

